./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:14:11,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:14:11,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:14:11,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:14:11,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:14:11,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:14:11,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:14:11,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:14:11,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:14:11,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:14:11,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:14:11,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:14:11,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:14:11,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:14:11,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:14:11,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:14:11,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:14:11,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:14:11,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:14:11,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:14:11,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:14:11,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:14:11,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:14:11,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:14:11,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:14:11,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:14:11,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:14:11,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:14:11,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:14:11,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:14:11,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:14:11,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:14:11,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:14:11,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:14:11,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:14:11,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:14:11,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:14:11,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:14:11,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:14:11,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:14:11,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:14:11,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:14:11,947 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:14:11,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:14:11,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:14:11,948 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:14:11,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:14:11,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:14:11,950 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:14:11,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:14:11,951 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:14:11,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:14:11,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:14:11,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:14:11,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:14:11,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:14:11,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:14:11,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:14:11,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:14:11,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:14:11,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:14:11,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:14:11,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:14:11,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:14:11,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:11,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:14:11,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:14:11,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:14:11,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:14:11,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:14:11,963 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:14:11,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:14:11,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:14:11,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:14:11,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 [2021-10-21 19:14:12,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:14:12,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:14:12,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:14:12,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:14:12,255 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:14:12,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2021-10-21 19:14:12,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/data/5fbb37d6f/cf349a5b0934478bac4f78a19920f7ca/FLAG6d7509f88 [2021-10-21 19:14:12,948 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:14:12,949 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2021-10-21 19:14:12,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/data/5fbb37d6f/cf349a5b0934478bac4f78a19920f7ca/FLAG6d7509f88 [2021-10-21 19:14:13,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/data/5fbb37d6f/cf349a5b0934478bac4f78a19920f7ca [2021-10-21 19:14:13,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:14:13,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:14:13,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:13,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:14:13,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:14:13,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:13,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a266b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13, skipping insertion in model container [2021-10-21 19:14:13,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:13,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:14:13,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:14:13,511 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2021-10-21 19:14:13,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:13,689 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:14:13,731 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2021-10-21 19:14:13,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:13,846 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:14:13,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13 WrapperNode [2021-10-21 19:14:13,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:13,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:13,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:14:13,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:14:13,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:13,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:13,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:13,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:14:13,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:14:13,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:14:13,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:13,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:13,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:14,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:14,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:14,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:14,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:14,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:14:14,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:14:14,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:14:14,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:14:14,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (1/1) ... [2021-10-21 19:14:14,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:14:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:14,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:14,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:14:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:14:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:14:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:14:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:14:15,453 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:14:15,453 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:14:15,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:15 BoogieIcfgContainer [2021-10-21 19:14:15,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:14:15,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:14:15,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:14:15,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:14:15,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:14:13" (1/3) ... [2021-10-21 19:14:15,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1598ee91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:15, skipping insertion in model container [2021-10-21 19:14:15,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:13" (2/3) ... [2021-10-21 19:14:15,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1598ee91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:14:15, skipping insertion in model container [2021-10-21 19:14:15,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:15" (3/3) ... [2021-10-21 19:14:15,466 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label51.c [2021-10-21 19:14:15,472 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:14:15,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:14:15,566 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:14:15,573 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:14:15,573 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:14:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-21 19:14:15,604 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:15,605 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:15,606 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:15,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:15,612 INFO L82 PathProgramCache]: Analyzing trace with hash 761214138, now seen corresponding path program 1 times [2021-10-21 19:14:15,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:15,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700268641] [2021-10-21 19:14:15,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:15,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:16,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:16,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700268641] [2021-10-21 19:14:16,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700268641] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:16,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:16,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:16,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542599235] [2021-10-21 19:14:16,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:14:16,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:16,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:14:16,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:14:16,059 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:17,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:17,417 INFO L93 Difference]: Finished difference Result 696 states and 1248 transitions. [2021-10-21 19:14:17,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:14:17,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-10-21 19:14:17,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:17,443 INFO L225 Difference]: With dead ends: 696 [2021-10-21 19:14:17,443 INFO L226 Difference]: Without dead ends: 421 [2021-10-21 19:14:17,455 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:14:17,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-21 19:14:17,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-21 19:14:17,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3833333333333333) internal successors, (581), 420 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2021-10-21 19:14:17,572 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 50 [2021-10-21 19:14:17,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:17,572 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2021-10-21 19:14:17,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2021-10-21 19:14:17,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-21 19:14:17,591 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:17,592 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:17,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:14:17,592 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:17,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:17,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1625116428, now seen corresponding path program 1 times [2021-10-21 19:14:17,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:17,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508094709] [2021-10-21 19:14:17,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:17,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:17,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:17,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508094709] [2021-10-21 19:14:17,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508094709] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:14:17,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239502895] [2021-10-21 19:14:17,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:17,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:14:17,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:17,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:14:17,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:14:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:18,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:14:18,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:14:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:18,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239502895] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:18,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:14:18,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-10-21 19:14:18,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816563302] [2021-10-21 19:14:18,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:18,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:18,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:18,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:18,578 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:19,189 INFO L93 Difference]: Finished difference Result 979 states and 1440 transitions. [2021-10-21 19:14:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:19,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2021-10-21 19:14:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:19,195 INFO L225 Difference]: With dead ends: 979 [2021-10-21 19:14:19,196 INFO L226 Difference]: Without dead ends: 699 [2021-10-21 19:14:19,199 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 52.2ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:19,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-10-21 19:14:19,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2021-10-21 19:14:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.368515205724508) internal successors, (765), 559 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 765 transitions. [2021-10-21 19:14:19,246 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 765 transitions. Word has length 125 [2021-10-21 19:14:19,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:19,250 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 765 transitions. [2021-10-21 19:14:19,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:19,251 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 765 transitions. [2021-10-21 19:14:19,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-10-21 19:14:19,256 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:19,257 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:19,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-21 19:14:19,473 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:19,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:19,474 INFO L82 PathProgramCache]: Analyzing trace with hash 387432279, now seen corresponding path program 1 times [2021-10-21 19:14:19,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:19,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129900862] [2021-10-21 19:14:19,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:19,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-21 19:14:19,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:19,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129900862] [2021-10-21 19:14:19,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129900862] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:19,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:19,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:14:19,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173946664] [2021-10-21 19:14:19,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:19,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:19,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:19,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:19,671 INFO L87 Difference]: Start difference. First operand 560 states and 765 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:20,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:20,219 INFO L93 Difference]: Finished difference Result 1118 states and 1563 transitions. [2021-10-21 19:14:20,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:20,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2021-10-21 19:14:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:20,223 INFO L225 Difference]: With dead ends: 1118 [2021-10-21 19:14:20,223 INFO L226 Difference]: Without dead ends: 699 [2021-10-21 19:14:20,224 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:20,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-10-21 19:14:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2021-10-21 19:14:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2449856733524356) internal successors, (869), 698 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:20,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 869 transitions. [2021-10-21 19:14:20,243 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 869 transitions. Word has length 185 [2021-10-21 19:14:20,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:20,243 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 869 transitions. [2021-10-21 19:14:20,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 869 transitions. [2021-10-21 19:14:20,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-10-21 19:14:20,247 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:20,247 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:20,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:14:20,248 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:20,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:20,248 INFO L82 PathProgramCache]: Analyzing trace with hash -462373856, now seen corresponding path program 1 times [2021-10-21 19:14:20,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:20,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464203502] [2021-10-21 19:14:20,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:20,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:20,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:20,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464203502] [2021-10-21 19:14:20,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464203502] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:20,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:20,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:20,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251546586] [2021-10-21 19:14:20,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:20,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:20,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:20,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:20,361 INFO L87 Difference]: Start difference. First operand 699 states and 869 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:20,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:20,911 INFO L93 Difference]: Finished difference Result 1535 states and 1971 transitions. [2021-10-21 19:14:20,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:20,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2021-10-21 19:14:20,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:20,921 INFO L225 Difference]: With dead ends: 1535 [2021-10-21 19:14:20,921 INFO L226 Difference]: Without dead ends: 977 [2021-10-21 19:14:20,923 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:20,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-10-21 19:14:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 838. [2021-10-21 19:14:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2162485065710873) internal successors, (1018), 837 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1018 transitions. [2021-10-21 19:14:20,965 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1018 transitions. Word has length 202 [2021-10-21 19:14:20,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:20,965 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1018 transitions. [2021-10-21 19:14:20,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1018 transitions. [2021-10-21 19:14:20,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-10-21 19:14:20,970 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:20,970 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:20,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:14:20,971 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:20,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:20,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1999246239, now seen corresponding path program 1 times [2021-10-21 19:14:20,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:20,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128872454] [2021-10-21 19:14:20,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:20,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:21,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:21,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128872454] [2021-10-21 19:14:21,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128872454] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:21,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:21,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:14:21,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146284056] [2021-10-21 19:14:21,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:14:21,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:21,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:14:21,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:21,217 INFO L87 Difference]: Start difference. First operand 838 states and 1018 transitions. Second operand has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:21,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:21,771 INFO L93 Difference]: Finished difference Result 1590 states and 1945 transitions. [2021-10-21 19:14:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:14:21,771 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 262 [2021-10-21 19:14:21,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:21,777 INFO L225 Difference]: With dead ends: 1590 [2021-10-21 19:14:21,777 INFO L226 Difference]: Without dead ends: 838 [2021-10-21 19:14:21,778 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.3ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:14:21,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-21 19:14:21,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-10-21 19:14:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2102747909199523) internal successors, (1013), 837 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1013 transitions. [2021-10-21 19:14:21,805 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1013 transitions. Word has length 262 [2021-10-21 19:14:21,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:21,805 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1013 transitions. [2021-10-21 19:14:21,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.42857142857143) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1013 transitions. [2021-10-21 19:14:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-10-21 19:14:21,812 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:14:21,813 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:14:21,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:14:21,813 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:14:21,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:21,814 INFO L82 PathProgramCache]: Analyzing trace with hash -665763015, now seen corresponding path program 1 times [2021-10-21 19:14:21,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:21,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806634450] [2021-10-21 19:14:21,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:21,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-21 19:14:22,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:22,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806634450] [2021-10-21 19:14:22,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806634450] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:14:22,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519914563] [2021-10-21 19:14:22,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:22,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:14:22,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,106 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:14:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:22,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:14:22,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:14:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-21 19:14:22,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519914563] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:22,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:14:22,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-10-21 19:14:22,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947203785] [2021-10-21 19:14:22,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:14:22,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:22,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:22,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:22,982 INFO L87 Difference]: Start difference. First operand 838 states and 1013 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:23,537 INFO L93 Difference]: Finished difference Result 1672 states and 2068 transitions. [2021-10-21 19:14:23,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:23,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2021-10-21 19:14:23,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:14:23,538 INFO L225 Difference]: With dead ends: 1672 [2021-10-21 19:14:23,539 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:14:23,540 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 54.2ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:14:23,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:14:23,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:14:23,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:14:23,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2021-10-21 19:14:23,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:14:23,542 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:23,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:14:23,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:14:23,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:14:23,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:23,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:14:23,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:14:23,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:23,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:23,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:14:23,871 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-21 19:14:23,871 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-21 19:14:23,871 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-21 19:14:23,871 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-21 19:14:23,871 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-21 19:14:23,872 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-21 19:14:23,872 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,872 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,872 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,872 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,872 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,872 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,873 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-21 19:14:23,873 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 19:14:23,873 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-21 19:14:23,873 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-21 19:14:23,873 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-21 19:14:23,873 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-21 19:14:23,873 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-21 19:14:23,874 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-21 19:14:23,874 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-21 19:14:23,874 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-21 19:14:23,874 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-21 19:14:23,874 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-21 19:14:23,874 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-21 19:14:23,875 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,875 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,875 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,875 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,875 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,875 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,876 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-21 19:14:23,876 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-21 19:14:23,876 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-21 19:14:23,876 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-21 19:14:23,876 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 19:14:23,876 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-21 19:14:23,876 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-21 19:14:23,877 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-21 19:14:23,877 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-21 19:14:23,877 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-21 19:14:23,877 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-21 19:14:23,877 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-21 19:14:23,877 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,877 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,878 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,878 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,878 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,878 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,878 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-21 19:14:23,878 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-21 19:14:23,879 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-21 19:14:23,879 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-21 19:14:23,879 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 19:14:23,879 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-21 19:14:23,879 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 19:14:23,879 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-21 19:14:23,879 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-21 19:14:23,880 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-21 19:14:23,880 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-21 19:14:23,880 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-21 19:14:23,880 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-21 19:14:23,880 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,880 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,880 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,880 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,881 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,881 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,881 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-21 19:14:23,881 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-21 19:14:23,881 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 19:14:23,881 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-21 19:14:23,882 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-21 19:14:23,882 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-21 19:14:23,882 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-21 19:14:23,882 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 19:14:23,882 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-21 19:14:23,882 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-21 19:14:23,882 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-21 19:14:23,883 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,883 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,883 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,883 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,883 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,883 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-21 19:14:23,883 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-21 19:14:23,884 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-21 19:14:23,884 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-21 19:14:23,884 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-21 19:14:23,884 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-21 19:14:23,884 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 19:14:23,884 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-21 19:14:23,892 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-21 19:14:23,893 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-21 19:14:23,893 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-21 19:14:23,893 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-21 19:14:23,893 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-21 19:14:23,893 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-21 19:14:23,894 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,895 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,895 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,895 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,895 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,895 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-21 19:14:23,896 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:14:23,896 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 19:14:23,896 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 19:14:23,896 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-21 19:14:23,896 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-21 19:14:23,896 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-21 19:14:23,897 INFO L853 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= ~a10~0 1) .cse0 .cse1) (and .cse2 (not (= ~a19~0 8)) .cse0 .cse1) (and .cse2 (<= 4 ~a10~0) .cse0 .cse1) (and .cse2 .cse0 (= ~a10~0 2) .cse1))) [2021-10-21 19:14:23,897 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-21 19:14:23,897 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-21 19:14:23,897 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-21 19:14:23,898 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-21 19:14:23,898 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,898 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,898 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,898 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,898 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,899 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-21 19:14:23,899 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-21 19:14:23,899 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-21 19:14:23,899 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 19:14:23,899 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-21 19:14:23,899 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-21 19:14:23,900 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-21 19:14:23,900 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-21 19:14:23,900 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-21 19:14:23,900 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-21 19:14:23,900 INFO L860 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-21 19:14:23,900 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-21 19:14:23,901 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-21 19:14:23,901 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-21 19:14:23,901 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:14:23,901 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,901 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,901 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,902 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,913 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,913 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-21 19:14:23,914 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 19:14:23,914 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-21 19:14:23,914 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-21 19:14:23,914 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-21 19:14:23,914 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-21 19:14:23,915 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-21 19:14:23,915 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-21 19:14:23,915 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-21 19:14:23,915 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,915 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,915 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,916 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,916 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:14:23,916 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,916 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-21 19:14:23,916 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-21 19:14:23,917 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-21 19:14:23,918 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-21 19:14:23,918 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 19:14:23,918 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-21 19:14:23,918 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-21 19:14:23,919 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-21 19:14:23,919 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-21 19:14:23,919 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-21 19:14:23,919 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-21 19:14:23,919 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-21 19:14:23,920 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= ~a10~0 1) .cse0 .cse1) (and .cse2 (not (= ~a19~0 8)) .cse0 .cse1) (and .cse2 (<= 4 ~a10~0) .cse0 .cse1) (and .cse2 .cse0 (= ~a10~0 2) .cse1))) [2021-10-21 19:14:23,920 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-21 19:14:23,920 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,920 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,921 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,921 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,921 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-21 19:14:23,921 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,921 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,921 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-21 19:14:23,922 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-21 19:14:23,922 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-21 19:14:23,922 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 19:14:23,922 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-21 19:14:23,922 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-21 19:14:23,923 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-21 19:14:23,923 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-21 19:14:23,923 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-21 19:14:23,923 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:14:23,923 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 164) no Hoare annotation was computed. [2021-10-21 19:14:23,924 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-21 19:14:23,924 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-21 19:14:23,924 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-21 19:14:23,924 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-21 19:14:23,924 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,926 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,926 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,926 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,927 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,927 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:14:23,927 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-21 19:14:23,927 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-21 19:14:23,927 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-21 19:14:23,927 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-21 19:14:23,928 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 19:14:23,928 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 19:14:23,928 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 19:14:23,928 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-21 19:14:23,928 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 19:14:23,933 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:14:23,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:14:23 BoogieIcfgContainer [2021-10-21 19:14:23,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:14:23,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:14:23,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:14:23,956 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:14:23,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:15" (3/4) ... [2021-10-21 19:14:23,960 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:14:23,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:14:23,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:14:23,995 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:14:23,997 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:14:24,160 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:14:24,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:14:24,162 INFO L168 Benchmark]: Toolchain (without parser) took 10987.69 ms. Allocated memory was 109.1 MB in the beginning and 172.0 MB in the end (delta: 62.9 MB). Free memory was 73.1 MB in the beginning and 122.2 MB in the end (delta: -49.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,163 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 109.1 MB. Free memory was 83.6 MB in the beginning and 83.5 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:14:24,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.10 ms. Allocated memory is still 109.1 MB. Free memory was 72.9 MB in the beginning and 68.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.46 ms. Allocated memory is still 109.1 MB. Free memory was 68.9 MB in the beginning and 61.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,164 INFO L168 Benchmark]: Boogie Preprocessor took 133.52 ms. Allocated memory is still 109.1 MB. Free memory was 61.1 MB in the beginning and 56.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,165 INFO L168 Benchmark]: RCFGBuilder took 1355.25 ms. Allocated memory is still 109.1 MB. Free memory was 56.0 MB in the beginning and 42.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,165 INFO L168 Benchmark]: TraceAbstraction took 8496.46 ms. Allocated memory was 109.1 MB in the beginning and 172.0 MB in the end (delta: 62.9 MB). Free memory was 41.9 MB in the beginning and 136.9 MB in the end (delta: -95.1 MB). Peak memory consumption was 66.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,166 INFO L168 Benchmark]: Witness Printer took 205.12 ms. Allocated memory is still 172.0 MB. Free memory was 136.9 MB in the beginning and 122.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:24,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 109.1 MB. Free memory was 83.6 MB in the beginning and 83.5 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 672.10 ms. Allocated memory is still 109.1 MB. Free memory was 72.9 MB in the beginning and 68.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.46 ms. Allocated memory is still 109.1 MB. Free memory was 68.9 MB in the beginning and 61.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 133.52 ms. Allocated memory is still 109.1 MB. Free memory was 61.1 MB in the beginning and 56.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1355.25 ms. Allocated memory is still 109.1 MB. Free memory was 56.0 MB in the beginning and 42.2 MB in the end (delta: 13.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8496.46 ms. Allocated memory was 109.1 MB in the beginning and 172.0 MB in the end (delta: 62.9 MB). Free memory was 41.9 MB in the beginning and 136.9 MB in the end (delta: -95.1 MB). Peak memory consumption was 66.4 MB. Max. memory is 16.1 GB. * Witness Printer took 205.12 ms. Allocated memory is still 172.0 MB. Free memory was 136.9 MB in the beginning and 122.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 164]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8369.3ms, OverallIterations: 6, TraceHistogramMax: 3, EmptinessCheckTime: 46.1ms, AutomataDifference: 4291.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 97.2ms, InitialAbstractionConstructionTime: 16.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 571 SDtfs, 1040 SDslu, 41 SDs, 0 SdLazy, 2635 SolverSat, 527 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3040.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 198.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=838occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 233.3ms AutomataMinimizationTime, 6 MinimizatonAttempts, 278 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 22 NumberOfFragments, 103 HoareAnnotationTreeSize, 3 FomulaSimplifications, 230 FormulaSimplificationTreeSizeReduction, 17.0ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 73.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 112.3ms SsaConstructionTime, 383.4ms SatisfiabilityAnalysisTime, 2344.2ms InterpolantComputationTime, 1545 NumberOfCodeBlocks, 1545 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1537 ConstructedInterpolants, 0 QuantifiedInterpolants, 7337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 637 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 968/993 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((a10 <= 1 && 14 == a4) && a12 == 0) || (((a19 <= 9 && !(a19 == 8)) && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 4 <= a10) && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && a10 == 2) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a10 <= 1 && 14 == a4) && a12 == 0) || (((a19 <= 9 && !(a19 == 8)) && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 4 <= a10) && 14 == a4) && a12 == 0)) || (((a19 <= 9 && 14 == a4) && a10 == 2) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:14:24,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c7d328-2b38-42d4-b3a7-8fa78c02fd90/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...